Left click to position the new hole. BLASTMAPTM will remain in this mode until the user selects the default select mode or presses escape on the keyboard.
Opens renumber holes window to start renumbering holes. The window will have a prefix and a starting number. Any text prefix can be added and the starting number will be the number that is incremented as you go along.
Left click before a row, drag towards the end past the last hole and left click. You can double click to end the line. Left click to start again, the numbering will continue.
To start with a different prefix or number, click on the renumber holes button again or the shortcut key (crtl+R)